[INFO] cloning repository https://github.com/prmejc/AdventOfCode2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prmejc/AdventOfCode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprmejc%2FAdventOfCode2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprmejc%2FAdventOfCode2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d2e234183a18b10b1e47e2ab22f4ae6cfc6253f
[INFO] testing prmejc/AdventOfCode2016 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprmejc%2FAdventOfCode2016" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prmejc/AdventOfCode2016 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prmejc/AdventOfCode2016
[INFO] finished tweaking git repo https://github.com/prmejc/AdventOfCode2016
[INFO] tweaked toml for git repo https://github.com/prmejc/AdventOfCode2016 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/prmejc/AdventOfCode2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f36440494e4a09405d1f92f48867e96ece32f116a873a9e7b64a88e73455b82c
[INFO] running `Command { std: "docker" "start" "-a" "f36440494e4a09405d1f92f48867e96ece32f116a873a9e7b64a88e73455b82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36440494e4a09405d1f92f48867e96ece32f116a873a9e7b64a88e73455b82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36440494e4a09405d1f92f48867e96ece32f116a873a9e7b64a88e73455b82c", kill_on_drop: false }`
[INFO] [stdout] f36440494e4a09405d1f92f48867e96ece32f116a873a9e7b64a88e73455b82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5def9c922370aa6ccd1ee2016ce17e9832bfa94d0014ccb5cc5573f4c6985145
[INFO] running `Command { std: "docker" "start" "-a" "5def9c922370aa6ccd1ee2016ce17e9832bfa94d0014ccb5cc5573f4c6985145", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:22:54
[INFO] [stdout]    |
[INFO] [stdout] 22 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checksum`
[INFO] [stdout]   --> src/day4.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let checksum = room.split("[").last().unwrap().replace("]","");
[INFO] [stdout]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1(){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_a_room`
[INFO] [stdout]   --> src/day4.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn is_a_room(room: &str) -> (bool, i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "5def9c922370aa6ccd1ee2016ce17e9832bfa94d0014ccb5cc5573f4c6985145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5def9c922370aa6ccd1ee2016ce17e9832bfa94d0014ccb5cc5573f4c6985145", kill_on_drop: false }`
[INFO] [stdout] 5def9c922370aa6ccd1ee2016ce17e9832bfa94d0014ccb5cc5573f4c6985145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7619ddddd1d947f05235d801a04ea9236a3c3580a55cad7d1027afba0a49ed5b
[INFO] running `Command { std: "docker" "start" "-a" "7619ddddd1d947f05235d801a04ea9236a3c3580a55cad7d1027afba0a49ed5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:22:54
[INFO] [stdout]    |
[INFO] [stdout] 22 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checksum`
[INFO] [stdout]   --> src/day4.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let checksum = room.split("[").last().unwrap().replace("]","");
[INFO] [stdout]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1(){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_a_room`
[INFO] [stdout]   --> src/day4.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn is_a_room(room: &str) -> (bool, i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "7619ddddd1d947f05235d801a04ea9236a3c3580a55cad7d1027afba0a49ed5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7619ddddd1d947f05235d801a04ea9236a3c3580a55cad7d1027afba0a49ed5b", kill_on_drop: false }`
[INFO] [stdout] 7619ddddd1d947f05235d801a04ea9236a3c3580a55cad7d1027afba0a49ed5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a5a5f3ac6bd1960c08b46c60be720b0d6c905a8c4509e78798814fe9a208b36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1a5a5f3ac6bd1960c08b46c60be720b0d6c905a8c4509e78798814fe9a208b36", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/util/mod.rs:14:54
[INFO] [stderr]    |
[INFO] [stderr] 14 | ...                   why.description()),
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/util/mod.rs:22:54
[INFO] [stderr]    |
[INFO] [stderr] 22 | ...                   why.description()),
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]   --> src/day4.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |   let checksum = room.split("[").last().unwrap().replace("]","");
[INFO] [stderr]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]  --> src/day4.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn part1(){
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_a_room`
[INFO] [stderr]   --> src/day4.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn is_a_room(room: &str) -> (bool, i32) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent2016` (bin "advent2016" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent2016-505a59781be4f348)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a5a5f3ac6bd1960c08b46c60be720b0d6c905a8c4509e78798814fe9a208b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5a5f3ac6bd1960c08b46c60be720b0d6c905a8c4509e78798814fe9a208b36", kill_on_drop: false }`
[INFO] [stdout] 1a5a5f3ac6bd1960c08b46c60be720b0d6c905a8c4509e78798814fe9a208b36